Coping-machine.



No. 702,044. I Patented iunefm, |902;

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COPYING MACHINE.

Y (Application led Dec. 9. 1901.)

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c'oPlNG MACHINE. 4Application med nec.' 9, 1901.)

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. parts of window-sashes. grooved are preliminarily cut o at the properUNITED STATES PMENTv OFFICE. A

JOSEPH T. ZIKA, OF CLEVELAND, OHIO..4

-COPING-MACHINE.

SPECIFICATION forming' part of Letters Patent No. 702,044, dated une 10,1902.

Application med December 9, w1901.- seri'el Ne. 85,137. (Ne meer.)

'To all whom t may concern@ Be it known that I, JOSEPH T. ZIKA, arcitiv-Zen of the United States, residing at Cleve-'- land, in the county ofCuyahoga and State of Ohio, have invented a certain new and usefulImprovement in Ooping-,Machines,of which the following is a full, clear,and exact description, reference being had to the accompanying drawings.J

This invention relates toV a machine which will probably find itsgreatest field of useful-Y ness in grooving the ends of bars formingparts ofwindow-sashes, so that the ends so grooved will fit the moldedfaces of the railstile andthe 'other bars Vforming constituent The barsto be so angles to the sides, and on bars to be used in so-called cut-upwindowsashthese -ends Y in a suitable undercut groove or way a in themay be at almost any angle to the sides. It'is not the intention,however, to necessarily` limit the invention to this particular use. e

The object of the invention is to provide an efficient machine withwhich to groove the ends of bars, whatever may be the angle at whichsaid ends lie to the sides, and to do this work quickly and accurately.

The invention may be here summarized as consisting of the constructionand combination of parts hereinafter described, and pointed outdefinitely in the claims.

In the drawings, Figure l is a front elevation of a machine embod-yingmyinvention. Fig. 2 isa plan View thereof. Fig. Sis a vertical sectionalview in the plane indicated by line 3 3 of Fig.y 2. Fig. 4 is aperspective View of the front end of the slide on which the tool-carrieris to be secured. Fig. 5 is a perspective view of said tool-carrier.Fig. 6 is a v perspective view of a tool-to wit,fa coping-Vch-isel-adapted for use in the machine; and Fig. 7 is aperspectivel.View of the toolclamping plate and parts which are secured thereto.

Referring to the parts by letters, A represents the work-supportingtable secured upon a suitable support B. A slide O is mounted table.This slide carries the tools M and also the adjustable gages G, by whichthe depth of the grooves cut by the tools is regulated. Attached to thisslide and forming a rearward extension thereof is a bar having rack-V`teethtupon one edge which lies beneath the adjacent overhangingedge a?of the groove,

whereby the shavings are'preVentedfrOm .falling onto the rack-teeth.This'bar must be long enough to preserve the operative engagement withthe pinion d when the slide C is at either end of the table. The pinionis 'attached to the lower end of a vertical shaft4 D,`which is mountedin a suitable bearing a2 upon the table. Attached t'o the upper end ofthis shaft is a notched wheel d. An operating-'handleF is looselymounted upon the shaftD and is provided with aspring-latchf l forengaging in any one ofthe notches d2,

whereby to -connect the handle with the shaft.

'Thehandle may be operated from either side of the tableand may be sooperated Ywhatever positionthe slide C may be in.

A` plurality of .guide-blocksI-I are pivoted tothe top of the table andare adapted to be adjustably secured in'any position thereon. In theconstruction shown the guide-faces of these blocks are in planes whichpass, respec' k.

The topjsnrface of the slide C, near its front I end, is inclined, andthe lower surface ofthe tool-carrier E is correspondingly inclined,lwherebythe movement ofthe carrier upon the slide raises or lowers thecarrier, and thus adapts the machine to work on bars of various` widths;.There is a slot e through the carrier Y E through which passes a screwJ, screwing into the slide, whereby when the `carrier is once adjustedit may be securelyifastened.y

A set screw K, screwing through the .upi turned rear end c? of theslide, abuts against the carrier, and thus affords means for nicelyadjusting it.

loo

plate N, having grooves n on the under side of its overhanging edges,and when this plate is secured upon the block it will securely hold twocope-chisels M, the edges of which are dovetailed to fit the grooves 'nand e3. Secured to the sides of this plate are gagesprings G, which areadjusted by means of screws g, screwing through the two tailpieces n' ofthe plate N and abutting against the inner faces or the said springs.

In using the machine the several guideblocks I-I are adjusted andsecured at the proper angles, so that the ends of the bars to be groovedand which have been previously cut to the same angle will be parallelwith the path of the tool when the sides of said bars are held againstthe guide-faces of said blocks. The gage-springs are adjusted so thatthe ends o'f the said bars will, when they lie against said springs,project beyond the tool a distance equal to the desired depth of' thecut. Then the operator, who with one hand is holding a bar to be cutwith its side against the proper guide-block and its end against thegage-spring, takes hold of 'the handle with his other hand and byoperating it moves the slide and parts carried thereby so that thechisel M will out the end of the bar. The handle can be tirst moved intowhatever position is most convenient for the operator and then locked tothe shaft, as described.

IIaving described my invention, I claiml. In a coping-machine, thecombination of a table having in its work-supporting surface aguide-groove, a slide movable in said guidegroove, a cope-chisel securedto said slide, an adjustable gage also secured to the slide, anadjustable guide-block secured to the table, and mechanism for operatingsaid slide, substantially as specified.

2. In acoping-machine, the combination of a table having an undercutgroove in its worksupporting surface, a slide mounted in said groove, abar secured to said slide and having on one edge, rack-teeth which liebeneath one overhanging edge of the groove in the table, a pinionengaging with said teeth, mechanism for turning said pinion, acopechisel secured to said slide, and a guide-block adjustably securedto the top of the table, substantially as specified.

3. In a coping-machine, the combination of a table having a guide-groovein its work-supporting face, a slide mounted in said groove and carryinga tool-carrier which has an outwardly-projecting grooved shelf on itsside, a clamping-plate secured to said tool-carrier and having a groovein the under side of its overhanging edge, a cope-chisel havingdovetailed flanges for engagement with the grooves in said shelf andclamping-plate, and mechanism for operating said slide, substantially asspecified.

4. In a coping-machine, the combination of a table having a guide-groovein its work-supporting face, a slide mounted 'therein having an inclinedtopface, a tool-carrier having a beveled lower face which rests upon thebeveled face on the slide, and laterally-extended shelf having a groovein its top surface, a setscrew for fastening the tool-carrier to theslide, a clamping-plate secured to the top of the tool-carrier andhaving a groove in the under side of its overhanging edge, and acope-chisel having dovetailedn flanges for engaging in said grooves,substantially as specified.

5. In a coping-machine, the combination of a table having a guide-groovein its work-supporting face, a slide mounted in said guidegroove, atool-carrier upon said slide having a laterally-projectinglongitudinally-grooved shelf, a clamping-plate secured to saidtoolcarrier and having a groove in its overhanging edge, a cope-chiselhaving dovetailed langes for engagement with said grooves, a

gage-spring secured to the sliding member, and a set-screw in theclamping-plate engaging with said spring to adjust it into variouspositions, substantially as specified.

6. In a coping-machine, the combination of a table having a guide-groovein its work-supporting face, a slide movable therein, mechanism foroperating it, a tool-carrier upon said slide having on its sideslongitudinal shelves, a clamping-plate secured upon said tool-carrierand overhanging the saine at both edges and having tworearwardly-projecting tailpieces, cope-chisels clamped between saidclamping-plate and shelves, two gage-springs secured to opposite sidesof the clampingplate, two set-screws screwing through said tailpiecesand engaging with said gagesprings, and a plurality of adjustableguideblocks secured to the face of the table on opposite sides of theguide-groove therein, substantially as specified.

7. In a coping-machine, the combination of a work-supporting table, atool-carrier movable in a guideway upon said table, anadjustable gagesecured to and movable with the tool-carrier, an adjustable guide-blockupon the table, and mechanism for operating said tool-carrier,substantially as specified.

In testimony whereof I hereunto al'ix my signature in the presence oftwo witnesses.

JOSEPH l. ZIKA.

llitnesses:

E. B. Gincnnisr, E. L. THunsToN.

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